grinding mill distributors in oman
powder grinding needpowder grinding oman. Grinding and Polishing Powders, Powdered AbrasivesBoron Carbide Grinding Powders. In terms of hardness, Boron carbide (B 4 C) with a Mohs hardness of is third only to diamond and so makes an excellent lower cost alternative to diamond for the precision grinding, lapping and polishing of powder grinding machine, .